fr f700 na aplica
TRANSCRIPT
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INSTRUCTION MANUAL
INVERTER
3PRECAUTIONS FOR USEOF THE INVE RTER
4
PARAMETERS
5PROTECTIVE FUNCTIONS
6PRECAUTIONS FORMAINTENANCE AND INSPECTION
7SPECIFICATIONS
WIRING
OUTLINE
2
1
FR-F720-00046 to 04750-NA
FR-F740-00023 to 12120-NA
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Thank you for choosing this Mitsubishi Inverter.This Instruction Manual provides instructions for advanced use of the FR-F700 series inverters.Incorrect handling might cause an unexpected fault. Before using the inverter, always read this Instruction Manual Guideline [IB-0600218ENG] packed with the product carefully to use the equipment to its optimum.
1. Electric Shock Prevention
2. Fire Prevention
3. Injury Prevention
4. Additional Instructions Also the following points must be noted toelectric shock, etc.
This section is specifically about safety mattersDo not attempt to install, operate, maintain or inspect the inverter until you have read through Installation Guideline and appendeddocuments carefully and can use the equipment correctly. Do notuse the inverter until you have a full knowledge of the equipment,safety information and instructions. In this Instruction Manual, thesafety instruction levels are classified into "WARNING" and"CAUTION".
Incorrect handling may cause hazardous
conditions, resulting in death or severe injury.Incorrect handling may cause hazardousconditions, resulting in medium or slightinjury, or may cause only material damage.
The level may even lead to a serious consequenceaccording to conditions. Both instruction levels must be followedbecause these are important to personal safety.
While power is ON or when the inverter is running, do not openthe front cover. Otherwise you may get an electric shock.
Do not run the inverter with the front cover or wiring cover removed.Otherwise you may access the exposed high-voltage terminalsor the charging part of the circuitry and get an electric shock.
Even if power is OFF, do not remove the front cover except for wiring or periodic inspection. You may accidentally touch thecharged inverter circuits and get an electric shock.
Before wiring, inspection or switching EMC filter ON/OFFconnector, power must be switched OFF. To confirm that, LEDindication of the operation panel must be checked. (It must beOFF.) Any person who is involved in wiring, inspection or switching EMC filter ON/OFF connector shall wait for at least 10minutes after the power supply has been switched OFF andcheck that there are no residual voltage using a tester or the like.The capacitor is charged with high voltage for some time after power OFF, and it is dangerous.
This inverter must be earthed (grounded). Earthing (grounding)must conform to the requirements of national and local safety
regulations and electrical code (NEC section 250, IEC 536 class1 and other applicable standards). A neutral-point earthed (grounded) power supply for 400V classinverter in compliance with EN standard must be used.
Any person who is involved in wiring or inspection of thisequipment shall be fully competent to do the work.
The inverter must be installed before wiring. Otherwise you mayget an electric shock or be injured.
WARNING
CAUTION
CAUTION
WARNING
Inverter must be installed on a nonthat nobody touches the inverter Mounting it to or near flammable m
If the inverter has become faultswitched OFF. A continuous flow o
Do not connect a resistor directly-. Doing so could cause a fire.
Daily and periodic inspections min the Instruction Manual. If the pany inspection, it may cause a bu
The voltage applied to each termin the Instruction Manual. Otheoccur.
The cables must be connectOtherwise burst, damage, etc. ma
Polarity must be correct. Otheroccur.
While power is ON or for somtouch the inverter since the inverso can cause burns.
(1) Transportation and installation
The product must be transpocorresponds to the weight. Failure
Do not stack the boxes containumber recommended.
The product must be installed tothe weight of the product accoInstruction Manual.
Do not install or operate the invemissing. This can result in breakd
When carrying the inverter, do nsetting dial; it may fall off or fail
Do not stand or rest heavy object The inverter mounting orientatio Foreign conductive objects must
inverter. That includes screws flammable substance such as oil.
As the inverter is a precision inst
CA
CA
CA
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(2) Wiring
Do not install a power factor correction capacitor, surgesuppressor or capacitor type filter on the inverter output side.These devices on the inverter output side may be overheated or burn out.
The connection orientation of the output cables U, V, W to themotor affects the rotation direction of the motor.
(3) Test operation and adjustment
Before starting operation, each parameter must be confirmed andadjusted. A failure to do so may cause some machines to makeunexpected motions.
(4) Operation
Any person must stay away from the equipment when the retryfunction is set as it will restart suddenly after trip.
Since pressing key may not stop output depending on thefunction setting status, separate circuit and switch that make anemergency stop (power OFF, mechanical brake operation for emergency stop, etc.) must be provided.
OFF status of the start signal must be confirmed before resettingthe inverter fault. Resetting inverter alarm with the start signalON restarts the motor suddenly.
The inverter must be used for three-phase induction motors.Connection of any other electrical equipment to the inverter output may damage the equipment.
Do not modify the equipment. Do not perform parts removal which is not instructed in this
manual. Doing so may lead to fault or damage of the inverter.
The electronic thermal relay function does not guaranteeprotection of the motor from overheating. It is recommended toinstall both an external thermal and PTC thermistor for overheatprotection.
Do not use a magnetic contactor on the inverter input for frequentstarting/stopping of the inverter. Otherwise the life of the inverter decreases.
The effect of electromagnetic interference must be reduced byusing a noise filter or by other means. Otherwise nearbyelectronic equipment may be affected.
Appropriate measures must be taken to suppress harmonics.Otherwise power supply harmonics from the inverter may heat/damage the power factor correction capacitor and generator.
When driving a 400V class motor by the inverter, the motor mustbe an insulation-enhanced motor or measures must be taken tosuppress surge voltage. Surge voltage attributable to the wiringconstants may occur at the motor terminals, deteriorating theinsulation of the motor
CAUTION
CAUTION
WARNING
CAUTION
(5) Emergency stop
A safety backup such as an emergency to prevent hazardous condition to the mcase of inverter failure.
When the breaker on the inverter input sbe checked for fault (short circuit), inverter for a damage, etc. The cauidentified and removed before turninbreaker.
When any protective function is activataction must be taken, and the inverteresuming operation.
(6) Maintenance, inspection and parts repla
Do not carry out a megger (insulationcontrol circuit of the inverter. It will cau
(7) Disposing of the inverter
The inverter must be treated as industria
General instructions
Many of the diagrams and drawings inshow the inverter without a cover or partiNever operate the inverter in this mannalways reinstalled and the instruction inmust be followed when operating the inver
CAUTI
CAUTI
CAUTI
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CONTENTS1 OUTLINE
1.1 Product checking and parts identification ............................................1.2 Inverter and peripheral devices ............................................................
1.2.1 Peripheral devices.................................................................................................
1.3 Method of removal and reinstallation of the front cover.......................
1.4 Installation of the inverter and enclosure design ...................................
1.4.1 Inverter installation environment..........................................................................1.4.2 Cooling system types for inverter enclosure.........................................................
1.4.3 Inverter placement................................................................................................
2 WIRING
2.1 Wiring.................................................................................................2.1.1 Terminal connection diagram ...............................................................................
2.1.2 EMC filter .............................................................................................................
2.2 Main circuit terminal specifications .....................................................
2.2.1 Specification of main circuit terminal ..................................................................
2.2.2 Terminal arrangement of the main circuit terminal, power supply and the motor
2.2.3 Cables and wiring length ......................................................................................
2.2.4 When connecting the control circuit and the main circuit separately to the powe
2.3 Control circuit specifications ...............................................................
2.3.1 Control circuit terminals .......................................................................................
2.3.2 Changing the control logic ....................................................................................
2.3.3 Control circuit terminal layout .............................................................................
2.3.4 Wiring instructions ...............................................................................................
2.3.5 Mounting the operation panel (FR-DU07) on the enclosure surface ....................
2.3.6 RS-485 terminal block ..........................................................................................
2.3.7 Communication operation.....................................................................................
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3.1 EMC and leakage currents ........................................................................
3.1.1 Leakage currents and countermeasures ......................................................................
3.1.2 EMC measures............................................................................................................
3.1.3 Power supply harmonics.............................................................................................
3.2 Installation of a reactor.............................................................................
3.3 Power-OFF and magnetic contactor (MC).................................................
3.4 Inverter-driven 400V class motor..............................................................
3.5 Precautions for use of the inverter.............................................................3.6 Failsafe of the system which uses the inverter...........................................
4 PARAMETERS
4.1 Operation panel (FR-DU07) .....................................................................
4.1.1 Component of the operation panel (FR-DU07)...........................................................
4.1.2 Basic operation (factory setting) .................................................................................
4.1.3 Easy operation mode setting (easy setting mode).......................................................
4.1.4 Changing the parameter setting value.........................................................................
4.1.5 Displaying the set frequency.......................................................................................
4.2 Parameter list............................................................................................
4.2.1 Parameter list...............................................................................................................
4.3 Adjustment of the output torque (current) of the motor.............................
4.3.1 Manual torque boost (Pr. 0, Pr. 46) ............................................................................
4.3.2 Simple magnetic flux vector control (Pr.80, Pr.90) ....................................................
4.3.3 Slip compensation (Pr. 245 to Pr. 247)........................................................................
4.3.4 Stall prevention operation(Pr. 22, Pr. 23, Pr. 48, Pr. 49, Pr. 66, Pr. 148, Pr. 149, Pr. 154, Pr. 156, Pr. 157) .......
4.3.5 Multiple rating (Pr. 570) .............................................................................................
4.4 Limiting the output frequency...................................................................
4.4.1 Maximum/minimum frequency (Pr. 1, Pr. 2, Pr. 18)...................................................
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4.13.3 Input/output phase loss protection selection (Pr. 251, Pr. 872)...................................
4.14 Energy saving operation and energy saving monitor .................................
4.14.1 Energy saving control and Optimum excitation control (Pr. 60).................................4.14.2 Energy saving monitor (Pr. 891 to Pr. 899) ................................................................
4.15 Motor noise, EMI measures, mechanical resonance ..................................
4.15.1 PWM carrier frequency and Soft-PWM control (Pr. 72, Pr. 240, Pr. 260)..................
4.15.2 Speed smoothing control (Pr. 653, Pr. 654) ................................................................
4.16 Frequency setting by analog input (terminal 1, 2, 4) .................................
4.16.1 Analog input selection (Pr. 73, Pr. 267) ......................................................................
4.16.2 Analog input compensation (Pr. 73, Pr. 242, Pr. 243, Pr. 252, Pr. 253) ......................
4.16.3 Response level of analog input and noise elimination (Pr. 74)...................................
4.16.4 Bias and gain of frequency setting voltage (current)(Pr. 125, Pr. 126, Pr. 241, C2(Pr. 902) to C7(Pr. 905)) ..............................................
4.16.5 4mA input check of current input (Pr. 573, Pr. 777, Pr. 778) ......................................
4.17 Misoperation prevention and parameter setting restriction ........................4.17.1 Reset selection/disconnected PU detection/PU stop selection (Pr. 75) .......................
4.17.2 Parameter write selection (Pr. 77) ...............................................................................
4.17.3 Reverse rotation prevention selection (Pr. 78) ...........................................................
4.17.4 Display of applied parameters and user group function (Pr. 160, Pr. 172 to Pr. 174) .
4.17.5 Password function (Pr. 296, Pr. 297)...........................................................................
4.18 Selection of operation mode and operation location ..................................
4.18.1 Operation mode selection (Pr. 79)...............................................................................
4.18.2 Operation mode at power ON (Pr. 79, Pr. 340) ...........................................................
4.18.3 Start command source and speed command source duringcommunication operation (Pr. 338, Pr. 339, Pr. 550, Pr. 551)....................................
4.19 Communication operation and setting........................................................
4.19.1 Wiring and configuration of PU connector .................................................................
4.19.2 Wiring and configuration of RS-485 terminals ...........................................................
4.19.3 Initial settings and specifications of RS-485 communication(Pr. 117 to Pr. 124, Pr. 331 to Pr. 337, Pr. 341, Pr. 549).................... .........................
4.19.4 Communication EEPROM write selection (Pr. 342) ..................................................
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4.20.3 Pre-charge function (Pr.760 to Pr. 769).................................................................
4.20.4 Second PID function (Pr.753 to Pr. 758, Pr.765 to Pr.769) ..................................
4.20.5 Advanced PID function (pump function) (Pr. 554, Pr. 575 to Pr. 591).................
4.21 Special operation and frequency control ...............................................
4.21.1 Bypass-inverter switchover function (Pr. 57, Pr. 58, Pr. 135 to Pr. 139, Pr. 159).
4.21.2 Regeneration avoidance function (Pr. 665, Pr. 882 to Pr. 886).............................
4.22 Useful functions...................................................................................
4.22.1 Cooling fan operation selection (Pr. 244) .............................................................
4.22.2 Display of the life of the inverter parts (Pr. 255 to Pr .259)..................................4.22.3 Maintenance timer alarm (Pr. 503, Pr. 504) ..........................................................
4.22.4 Current average value monitor signal (Pr. 555 to Pr. 557) ...................................
4.22.5 Free parameter (Pr. 888, Pr. 889) ..........................................................................
4.22.6 Initiating a fault (Pr.997) ......................................................................................
4.22.7 Setting multiple parameters as a batch (Pr.999) ....................................................
4.23 Setting from the parameter unit, operation panel..................................4.23.1 PU display language selection (Pr. 145) ...............................................................
4.23.2 Setting dial potentiometer mode/key lock selection (Pr. 161)...............................
4.23.3 Buzzer control (Pr. 990)........................................................................................
4.23.4 PU contrast adjustment (Pr. 991) ..........................................................................
4.24 Setting of FR-PU07-01 ........................................................................
4.24.1 PID display bias/gain setting menu ......................................................................
4.24.2 Unit selection for the PID parameter/PID monitored items (Pr. 759)...................
4.24.3 PID set point direct setting menu..........................................................................
4.24.4 3-line monitor selection (Pr. 774 to Pr.776) ..........................................................
4.25 Parameter clear ....................................................................................
4.26 All parameter clear...............................................................................
4.27 Parameter copy and parameter verification ...........................................
4.27.1 Parameter copy .....................................................................................................
4.27.2 Parameter verification...........................................................................................
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5.5 Check first when you have a trouble.........................................................
5.5.1 Motor does not start....................................................................................................
5.5.2 Motor or machine is making abnormal acoustic noise................................................
5.5.3 Inverter generates abnormal noise..............................................................................
5.5.4 Motor generates heat abnormally...............................................................................
5.5.5 Motor rotates in the opposite direction.......................................................................
5.5.6 Speed greatly differs from the setting.........................................................................
5.5.7 Acceleration/deceleration is not smooth.....................................................................
5.5.8 Speed varies during operation....................................................................................
5.5.9 Operation mode is not changed properly.....................................................................5.5.10 Operation panel (FR-DU07) display is not operating.................................................
5.5.11 Motor current is too large............................................................................................
5.5.12 Speed does not accelerate...........................................................................................
5.5.13 Unable to write parameter setting................................................................................
5.5.14 Power lamp is not lit....................................................................................................
6 PRECAUTIONS FOR MAINTENANCE AND INSPECTION
6.1 Inspection item.........................................................................................
6.1.1 Daily inspection..........................................................................................................
6.1.2 Periodic inspection......................................................................................................
6.1.3 Daily and periodic inspection.....................................................................................
6.1.4 Display of the life of the inverter parts .......................................................................
6.1.5 Checking the inverter and converter modules ............................................................
6.1.6 Cleaning......................................................................................................................
6.1.7 Replacement of parts...................................................................................................
6.1.8 Inverter replacement...................................................................................................
6.2 Measurement of main circuit voltages, currents and powers......................
6.2.1 Measurement of voltages and currents .......................................................................
6.2.2 Measurement of powers .............................................................................................
6.2.3 Measurement of voltages and use of PT.....................................................................
6.2.4 Measurement of currents.............................................................................................
6 2 5 Use of CT and transducer
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7.4 Heatsink protrusion attachment procedure ...........................................
7.4.1 When using a heatsink protrusion attachment (FR-A7CN) ..................................
7.4.2 Protrusion of heatsink of the FR-F740-04320 or higher ......................................
APPENDICES
Appendix 1 For customers who are replacing the conventional modelwith this inverter................... ....................... ........................
Appendix 1-1 Replacement of the FR-F500 series .........................................................
Appendix 1-2 Replacement of the FR-A100 series ...............................
Appendix 2 Parameter clear, parameter copy and instruction code list ........
Appendix 3 Specification change ...............................................................
Appendix 3-1 SERIAL number check .............................................................................
Appendix 3-2 Changed functions ...................................................................................
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1 OUTLINE
This chapter describes the basic "OUTLINE" for useproduct.
Always read the instructions before using the equipment.
1.1 Product checking and parts identification ..............1.2 Inverter and peripheral devices .............................1.3 Method of removal and reinstallation of the front
cover.....................................................................1.4 Installation of the inverter and enclosure design ...
DU ............................................Operation panel (FR-DU07)PU..................................................Operation panel (FR-DU07) and parameter unit (FR-P
PU07(-01))Inverter .....................................Mitsubishi inverter FR-F700 seriesFR-F700 ...................................Mitsubishi inverter FR-F700 seriesPr. .............................................Parameter Number (Number assigned to function)PU operation ............................. Operation using the PU (FR-DU07/FR-PU04/FR-PU07External operation ....................Operation using the control circuit signalsCombined operation .................Combined operation using the PU (FR-DU07/FR-
PU07(-01)) and external operation.Mitsubishi standard motor ........SF-JRMitsubishi constant torque motor SF HRCA
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Inverter
1.2 Inverter and peripheral devices
Power regenerationcommon converter(FR-CV *1) Resistor unit
Brake unit(FR-BU2, FR-BU *1, MT-BU5 *2)
High power factor
P/+
P/+
PR
PR
PULL
USB
MODE
RUNERR
USER
BATBOOT
PULL
POWER RUNT.PASS
SDERR
MNGD.LINKRDERR
RUNT.PASS
SDERR
MNGD.LINKRDERR
Programmablecontroller
Human machineinterface
Three-phase AC power supply
AC reactor (FR-HAL)
DC reactor(FR-HEL) R/L1 S/L2 T/L3P/+ N/-P/+P1 U V W
Moulded case circuitbreaker (MCCB)or earth leakage circuitbreaker (ELB), fuse
Magnetic contactor (MC)
RS-485 terminal block
Devices connect
Use within the permissible power supplyspecifications of the inverter.
Install the magnetic contactor to ensure safety.Do not use this magnetic contactor to start andstop the inverter.Doing so will cause the inverter life to beshortened.
The inverter can be connectedwith a computer such as aprogrammable controller andwith GOT (human machineinterface).It supports Mitsubishi inverterprotocol, Modbus-RTU (binary)protocol and BACnet MS/TP
protocol.
Do not install a powesurge suppressor or noutput side of the invWhen installing a mooutput side of the inv
The breaker must be selected carefully sincean in-rush current flows in the inverter atpower ON.
Earth(Ground)
Earth(Ground
For the FR-F720-03160 (FR-F740-01800) or higher, a DCreactor is supplied.
Always install the reactor.
Reactor (FR-HAL, FR-HEL)Install reactors to suppress harmonics and toimprove the power factor. An AC reactor (FR-HAL)(option) is required when installing the inverter neara large power supply system (1000kVA or more).The inverter may be damaged if you do not usereactors.Select the reactor according to the model.For the FR-F720-02330 (FR-F740-01160) or lower,remove the jumpers across terminals P/+ and P1 toconnect to the DC reactor.
Noise filter(ferrite core)(FR-BLF)The FR-F720-02330(FR-F740-01160) orlower has a built-incommon mode choke.
(Refer to page 370 )
(Refer to page 4 )
(Refer to page 4 )
(Refer to page 4 )
Inverter (FR-F700)The life of the invetemperature. The suras low as possible wibe noted especially enclosure. (Refer toWrong wiring mightcontrol signal lines mcircuit to protect them
Refer to page 15 for
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Inverter and peripheral devices
1.2.1 Peripheral devices
Check the inverter model of the inverter you purchased. Appropriate peripheral devices must be selected the capacity. Refer to the following list and prepare appropriate peripheral devices:
200V class
MotorOutput
(kW(HP))*1
Applicable InverterModel
Moulded Case Circuit Breaker(MCCB) *2 or Earth Leakage Circuit
Breaker (ELB)Input Sid
Power factor improving(AC or DC) reactor
Pow(
Without with Without0.75 (1) FR-F720-00046-NA 10A 10A S-N10
1.5 (2) FR-F720-00077-NA 15A 15A S-N102.2 (3) FR-F720-00105-NA 20A 15A S-N103.7 (5) FR-F720-00167-NA 30A 30A S-N20, S-N21
5.5 (7.5) FR-F720-00250-NA 50A 40A S-N257.5 (10) FR-F720-00340-NA 60A 50A S-N2511 (15) FR-F720-00490-NA 75A 75A S-N3515 (20) FR-F720-00630-NA 125A 100A S-N50
18.5 (25) FR-F720-00770-NA 150A 125A S-N6522 (30) FR-F720-00930-NA 175A 150A S-N8030 (40) FR-F720-01250-NA 225A 175A S-N9537 (50) FR-F720-01540-NA 250A 225A S-N15045 (60) FR-F720-01870-NA 300A 300A S-N18055 (75) FR-F720-02330-NA 400A 350A S-N220
75 (100) FR-F720-03160-NA 400A 90 (125) FR-F720-03800-NA 400A
110 (150) FR-F720-04750-NA 500A
*1 Selections for use of the Mitsubishi 4-pole standard motor with power supply voltage of 200VAC 50Hz.*2 Select the MCCB according to the power supply capacity.
Install one MCCB per inverter.For installation in the United States or Canada, select a fuse in accordance with UL, cUL, the NationalElectrical Code and any applicable local codes, or use UL 489 Molded Case Circuit Breaker (MCCB).(Refer to the Installation Guideline.)
*3 Magnetic contactor is selected based on the AC-1 class. The electrical durability of magnetic contactor is 500,000 times. Wcontactor is used for emergency stop during motor driving, the electrical durability is 25 times.If using an MC for emergency stop during motor driving, select an MC regarding the inverter input side current as JEM103current. When using an MC on the inverter output side for commercial-power supply operation switching using a general purpoMC regarding the motor rated current as JEM1038-AC-3 class rated current.
CAUTIONWhen the inverter capacity i s larger than the motor capacity, select an MCCB and a magnetic contactor according tomodel and cable and reactor according to the motor output.When the breaker on the inverter primary side trips, check for the wiring fault (short circuit), damage to interninverter, etc. Identify the cause of the trip, then remove the cause and power ON the breaker.
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Inverter
400V class
MotorOutput
(kW(HP))*1
Applicable InverterModel
Moulded Case Circuit Breaker(MCCB) *2 or Earth Leakage Circuit
Breaker (ELB)Input
Power factor improving(AC or DC) reactor
Without with With0.75 (1) FR-F740-00023-NA 5A 5A S-N11.5 (2) FR-F740-00038-NA 10A 10A S-N102.2 (3) FR-F740-00052-NA 10A 10A S-N103.7 (5) FR-F740-00083-NA 20A 15A S-N10
5.5 (7.5) FR-F740-00126-NA 30A 20A S-N20, S-N
7.5 (10) FR-F740-00170-NA 30A 30A S-N20, S-N11 (15) FR-F740-00250-NA 50A 40A S-N20, S-N15 (20) FR-F740-00310-NA 60A 50A S-N25
18.5 (25) FR-F740-00380-NA 75A 60A S-N2522 (30) FR-F740-00470-NA 100A 75A S-N3530 (40) FR-F740-00620-NA 125A 100A S-N5037 (50) FR-F740-00770-NA 150A 125A S-N6545 (60) FR-F740-00930-NA 175A 150A S-N8055 (75) FR-F740-01160-NA 200A 175A S-N80
75 (100) FR-F740-01800-NA 225A90 (125) FR-F740-01800-NA 225A
110 (150) FR-F740-02160-NA 225A132 (200) FR-F740-02600-NA 400A160 (250) FR-F740-03250-NA 400A185 (300) FR-F740-03610-NA 400A220 (350) FR-F740-04320-NA 500A250 (400) FR-F740-04810-NA 600A280 (450) FR-F740-05470-NA 600A315 (500) FR-F740-06100-NA 700A355 (550) FR-F740-06830-NA 800A400 (600) FR-F740-07700-NA 900A
450 (700) FR-F740-08660-NA 1000A
500 (750) FR-F740-09620-NA 1200A
560 (800) FR-F740-10940-NA 1500A
630 (850) FR-F740-12120-NA 2000A
*1 Selections for use of the Mitsubishi 4-pole standard motor with power supply voltage of 400VAC 50Hz.*2 Select the MCCB according to the power supply capacity. Install one MCCB per inverter.
For installation in the United States or Canada, select a fuse in accordance with UL, cUL, the NationalElectrical Code and any applicable local codes or use UL 489 Molded Case Circuit Breaker (MCCB)
Method of removal and reinstallation of the
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Method of removal and reinstallation of thefront cover
1.3 Method of removal and reinstallation of the front cover Removal of the operation panel
1) Loosen the two screws on the operation panel.(These screws cannot be removed.)
2) Push the left and right hooksand pull the operation panel to
When reinstalling the operation panel, insert it straight to reinstall securely and tighten the fixedoperation panel. (Tightening torque: 0.40N m to 0.45N m)
FR-F720-01250-NA or lower, FR-F740-00620-NA or lower Removal
Reinstallation
Install
Front cover Front cover
1) Loosen the installation screws of thefront cover.
2) Pull the front cover toward you to remove binstallation hook using left fixed hooks as s
1) Insert the two fixed hooks on the left side ofthe front cover into the sockets of theinverter.
2) Using the fixed hooks as supports,securely press the front coveragainst the inverter.(Although installation can be donewith the operation panel mounted,
3)
Method of remov
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Method of remov
FR-F720-01540-NA or higher, FR-F740-00770-NA or higher Removal
Reinstallation
Front cover 2
Front cover 1
1) Remove installation screws on
the front cover 1 to remove thefront cover 1.
2) Loosen the installation
screws of the front cover 2.
3) Pull the fron
remove by phook on the fixed hooks
Front cover 2 Front cover
1) Insert the two fixed hooks on the left side of thefront cover 2 into the sockets of the inverter.
2) Using the fixed hookpress the front cover
(Although installatiooperation panel mounconnector is securely
3) Fix the front cover 2 with theinstallation screws.
4) Fix the front installation s
Installation of the inverter and
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Installation of the inverter andenclosure design
1.4 Installation of the inverter and enclosure design
When an inverter enclosure is to be designed and manufactured, heat generated by contained equipmenenvironment of an operating place, and others must be fully considered to determine the enclosure structu
equipment layout. The inverter unit uses many semiconductor devices. To ensure higher reliability and looperation, operate the inverter in the ambient environment that completely satisfies the equipment specific
1.4.1 Inverter installation environment
As the inverter installation environment should satisfy the standard specifications indicated in the fooperation in any place that does not meet these conditions not only deteriorates the performance aninverter, but also causes a failure. Refer to the following points and take adequate measures.
* 2.9m/s 2 or less for the FR-F740-04320 or higher.
(1) Temperature
The permissible surrounding air temperature of the inverter is -10 C (14F) to +50 C (122F)(14F) to +40 C (104F) (when SLD is set). Always operate the inverter within this temperature range. Othis range will considerably shorten the service lives of the semiconductors, parts, capacitors and othefollowing measures so that the surrounding air temperature of the inverter falls within the specified range.1) Measures against high temperature
Use a forced ventilation system or similar cooling system. (Refer to page 10.) Install the enclosure in an air-conditioned electrical chamber. Block direct sunlight. Provide a shield or similar plate to avoid direct exposure to the radiated heat and wind of a heat sour Ventilate the area around the enclosure well.
2) Measures against low temperature Provide a space heater in the enclosure. Do not power OFF the inverter. (Keep the start signal of the inverter OFF.)
3) Sudden temperature changes Select an installation place where temperature does not change suddenly. Avoid installing the inverter near the air outlet of an air conditioner. If temperature changes are caused by opening/closing of a door, install the inverter away from the do
(2) Humidity
Normally operate the inverter within the 45 to 90% range of the ambient humidity. Too high humidity willof reduced insulation and metal corrosion. On the other hand, too low humidity may produce a spabreakdown. The insulation distance specified in JEM1103 "Control Equipment Insulator" is defined as h
Environmental standard specifications of inverter
Item Description
Surrounding air temperatureLD -10 to +50C (14F to 122F) (non-freezing)SLD(Initial setting) -10 to +40C (14F to 104F) (non-freezing)
Ambient humidity 90% RH maximum (non-condensing) Atmosphere Indoors (free from corrosive gas, flammable gas, oil mist, dust and dirt)
Maximum Altitude 1,000m (3280.80 feet) or less
Vibration 5.9m/s 2 or less * at 10 to 55Hz (directions of X, Y, Z axes)
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Install
(3) Dust, dirt, oil mist
Dust and dirt will cause such faults as poor contact of contact points, reduced insulation or reduced cto moisture absorption of accumulated dust and dirt, and in-enclosure temperature rise due to clogged In the atmosphere where conductive powder floats, dust and dirt will cause such faults as malfunctinsulation and short circuit in a short time.Since oil mist will cause similar conditions, it is necessary to take adequate measures.
Countermeasures Place in a totally enclosed enclosure.
Take measures if the in-enclosure temperature rises. (Refer to page 10.) Purge air.
Pump clean air from outside to make the in-enclosure pressure higher than the outside-air pressure.
(4) Corrosive gas, salt damage
If the inverter is exposed to corrosive gas or to salt near a beach, the printed board patterns and partsthe relays and switches will result in poor contact.In such places, take the measures given in Section (3) .
(5) Explosive, flammable gases
As the inverter is non-explosion proof, it must be contained in an explosion proof enclosure.
In places where explosion may be caused by explosive gas, dust or dirt, an enclosure cannot bestructurally complies with the guidelines and has passed the specified tests. This makes the enclosure (including the test charges).The best way is to avoid installation in such places and install the inverter in a non-hazardous place.
(6) Highland
Use the inverter at the altitude of within 1000m (3280.80 feet).If it is used at a higher place, it is likely that thin air will reduce the cooling effect and low air press
dielectric strength.
(7) Vibration, impact
The vibration resistance of the inverter is up to 5.9m/s 2 (2.9m/s 2 for the FR-F740-0432frequency (directions of X, Y, Z axes) and 1mm (0.04 inches) amplitude.Vibration or impact, if less than the specified value, applied for a long time may make the mechanismpoor contact to the connectors.Especially when impact is imposed repeatedly, caution must be taken as the part pins are likely to brea
Countermeasures Provide the enclosure with rubber vibration isolators. Strengthen the structure to prevent the enclosure from resonance. Install the enclosure away from sources of vibration.
Installation of the inverter and
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Installation of the inverter andenclosure design
1.4.2 Cooling system types for inverter enclosure
From the enclosure that contains the inverter, the heat of the inverter and other equipment (transformresistors, etc.) and the incoming heat such as direct sunlight must be dissipated to keep the in-enclosure t
lower than the permissible temperatures of the in-enclosure equipment including the inverter.The cooling systems are classified as follows in terms of the cooling calculation method.1) Cooling by natural heat dissipation from the enclosure surface (Totally enclosed type)2) Cooling by heatsink (Aluminum heatsink, etc.)3) Cooling by ventilation (Forced ventilation type, pipe ventilation type)4) Cooling by heat exchanger or cooler (Heat pipe, cooler, etc.)
1.4.3 Inverter placement
(1) Installation of the Inverter
Cooling System Enclosure Structure Comment
Naturalcooling
Natural ventilation(Enclosed, open type)
Low in cost and generally used, bincreases as the inverter capacity small capacities.
Natural ventilation(Totally enclosed type)
Being a totally enclosed type, thehostile environment having dust, enclosure size increases dependincapacity.
Forcedcooling
Heatsink coolingHaving restrictions on the heatsinarea, and designed for relative sm
Forced ventilation For general indoor installation. Adownsizing and cost reduction, an
Heat pipe Totally enclosed type for enclosure
Installation on the enclosure
INV
INV
INVheatsink
INV
INV
Heatpipe
CAUTION
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(2) Clearances around the inverter
To ensure ease of heat dissipation and maintenance, leave at least the shown clearances around the invthe following clearances are required under the inverter as a wiring space, and above the inverter as a hspace.
(3) Inverter mounting orientation
Mount the inverter on a wall as specified. Do not mount it horizontally or any other way.
(4) Above the inverter
Heat is blown up from inside the inverter by the small fan built in the unit. Any equipment placed should be heat resistant.
(5) Arrangement of multiple inverters
REMARKS For replacing the cooling fan of the FR-F740-04320 or higher, 30cm(11.8 inches) of space is nece
the inverter. Refer to page 359 for fan replacement.
When multiple inverters are placed in the sameenclosure, generally arrange them horizontally asshown in the right figure (a). When it is inevitable toarrange them vertically to minimize space, take suchmeasures as to provide guides since heat from thebottom inverters can increase the temperatures in thetop inverters, causing inverter failures.
When mounting multiple inverters, fully take cautionnot to make the surrounding air temperature of theinverter higher than the permissible value by providingventilation and increasing the enclosure size.
Arrangement of multip
ClearancesSurrounding air temperature and humidity
Measurementposition
Measurementposition
Inverter
Leave enough clearances as acooling measure.
Humidity: 90% RH maximum
FR-F720-02330 or lower FR-F740-01160 or lower
FR-F720-03160 or higher FR-F740-01800 or higher
5cm(1.97inches)
5cm(1.97inches)
5cm(1.97inches)
10cm (3.94inches) or more
20cm (7.87inches)or more
20cm (7.87inches)or more
10cm (3.94inches) or more
5cm(1.97inches) or more *
5cm(1.97inches)or more *
10cm(3.94inches)or more
10cm(3.94inches) or more
Temperature: -10C to 50C (14F to 122F)
(LD) -10C to 40C (14F to 104F) (SLD)
(front)
* 1cm (0.39 inches) or more for FR-F720-00167, FR-740-00083 or lower
*
Gui
Enclosure
(a) Horizontal arrangement
Inve
InveInverter Inverter
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MEMO
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2 WIRING
This chapter explains the basic "WIRING" for use of this p Always read the instructions before using the equipment.
2.1 Wiring ...................................................................2.2 Main circuit terminal specifications ......................2.3 Control circuit specifications .................................2.4 Connection of stand-alone option units .................
Wiring
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Wiring
2.1 Wiring2.1.1 Terminal connection diagram
Three-phase ACpower supply
MCCB
Jumper
R/L1S/L2T/L3
R1/L11S1/L21
PC
10E (+10V)10 (+5V)
23
1
Control input signals (No voltage input allowed)
Jumper
Relay ou(Fault o
C1
B1
A1
UVW
AM
5
*1
Main circuit terminalControl circuit terminal
MC
Main circuitControl circuit
C2B2
A2Relay o
AU
PTC
S I N K
S O U R C E
Terminal functions varywith the input terminalassignment( Pr. 178 to Pr. 189 )
*3
STF
STR
STOP
RH
RM
RL
JOG
RT
MRS
RES
AU
CS
SD
RUN
SU
IPF
OL
FU
SE
EMC filter ON/OFFconnector
ON
OFF
Frequency setting signal (Analog)
Frequency setting potentiometer
1/2W1k 2
(Analog common)
0 to 5VDC0 to 10VDC selectable0 to 20mADC *45
PUconnector
0 t 10VDC
Frequency
Open colSink/sou
Running
Up to frequ
Instantane
power failOverload
Terminal 4 input selection(Current input selection)
Selection of automatic restartafter instantaneous
power failure
Output stop
Reset
*3. AU terminal can beused as PTC inputterminal.
Middle speed
High speed
Low speed
Jog operation
Second function selection
Multi-speedselection
Forwardrotation
startReverserotation
start
Start self-holding selection
PR *7 PX*7
Jumper *7.
*5
*2. To supply power to thecontrol circuit separately,remove the jumper acrossR1/L11 and S1/L21.
*2
Do noPleaseconne
Initiall
Initial value
*4. Terminal input specificationscan be changed by analog
ON 4 2OFF
Voltage/currentinput switch
*4
Resistor unit(Option)
Brake unit(Option)
CN8*6
24V
Inrush currentlimit circuit
N/-P/+P1
Sink logic
Earth(Ground)
Earth(Ground)
CACACA
24VDC power supply(Common for external power supply transistor)
Contact input common
*6.*1. DC reactor (FR-HEL)Be sure to connect the DC reactor
supplied with the FR-F720-03160(FR-F740-01800) or more .When a DC reactor is connected tothe 02330 (FR-F740-01160) or lower,remove the jumper across P1 and P/+.
*8. The are nconn
*8
(Refer to page 124 )
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2.1.2 EMC filter
This inverter is equipped with a built-in EMC filter (capacitive filter) and common mode choke.The EMC filter is effective for reduction of air-propagated noise on the input side of the inverter.
The EMC filter is factory-set to disable (OFF). To enable it, fit the EMC filter ON/OFF connector to thThe input side common mode choke, built-in the FR-F720-02330(FR-F740-01160) or lower invertregardless of ON/OFF of the EMC filter ON/OFF connector.
The FR-F720-00046 and 00077 are not provided with the EMC filter ON/OFF connector. (Always ON)
(1) Before removing a front cover, check to make sure that the indication of the inverter operation for at least 10 minutes after the power supply has been switched OFF, and check that there are no using a tester or the like. (For the front cover removal method, refer to page 6 .)
(2) When disconnecting the connector, push the fixing tab and pull the connector straight without pforcibly pulling the connector with the tab fixed. When installing the connector, also engage the If it is difficult to disconnect the connector, use a pair of long-nose pliers, etc.
EMC filter OFF EMC filter OFF EMC filterEMC filter ON EMC filter ON(initial setting) (initial setting) (initial settin
FR-F720-00105 to 00250FR-F740-00023 to 00126
FR-F720-00340, 00490FR-F740-00170, 00250
FR-F720-00105 to 00250FR-F740-00023 to 00126
FR-F720-00340, 00490FR-F740-00170, 00250
FR-F720-00630FR-F740-00310, 00380
FR-F720-00770 to 01250FR-F740-00470, 00620
FRFR
Main circuit terminal specifications
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Main circuit terminal specifications
2.2 Main circuit terminal specifications
2.2.1 Specification of main circuit terminal
2.2.2 Terminal arrangement of the main circuit terminal, power supply and the mwiring
200V class
TerminalSymbol
TerminalName Description
R/L1,S/L2,T/L3
AC powerinput
Connect to the commercial power supply.Keep these terminals open when using the high power factoconverter (FR-HC, MT-HC) or power regeneration common (FR-CV).
U, V, W Inverter output Connect a three-phase squirrel-cage motor.
R1/L11,S1/L21
Power supplyfor controlcircuit
Connected to the AC power supply terminals R/L1 and S/L2retain the fault display and fault output or when using the hifactor converter (FR-HC, MT-HC) or power regeneration coconverter (FR-CV), remove the jumpers from terminals R/LL11, and S/L2 and S1/L21 and apply external power to thesterminals.The power capacity necessary when separate power is suppliR1/L11 and S1/L21 differs according to the inverter capacity
P/+, N/- Brake unitconnection
Connect the brake unit (FR-BU2, FR-BU, BU and MT-BU5), regeneration common converter (FR-CV), high power factor (FR-HC and MT-HC) or power regeneration converter (MT-R
P/+, P1 DC reactorconnection
For the FR-F720-02330 (FR-F740-01160) or lower, remove
jumper across terminals P/+ and P1 and connect the DC reacsure to connect the DC reactor supplied with the FR-F720-0(FR-F740-01800) or higher.)When a DC reactor is not connected, the jumper across termP/+ and P1 should not be removed.
PR, PX Please do not remove or use terminals PR and PX or the jumper connected.
Earth (ground) For earthing (grounding) the inverter chassis. Must be earth(grounded).
200Vclass
FR-F720-00630 or lower 60VA
FR-F720-0077080VA
FR-F
400Vclass
FR-F740-00310 or lower 60VA
FR-F740-0038060VA
FR-F
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FR-F720-00340, 00490-NA FR-F720-00630-NA
FR-F720-00770 to 01250-NA FR-F720-01540 to 02330-NA
FR-F720-03160 to 04750-NA
R/L1 S/L2 T/L3
N/- P/+ PR
PX
R1/L11 S1/L21
IM
Jumper Jumper
Charge lamp
Motor Power supply
Charge lamp
R/L1 S/L2 T/L3 N/- P/+
PR
R1/L11 S1/L21
IM
Jumper
Jumper
Charge lamp
Motor Power supply
R/L1 S/L2 T/L3 N/-
R1/L
Power supply
R1/L11 S1/L21
Charge lamp
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Main circui
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FR-F740-03250 to 04810-NA FR-F740-05470 to 12120-NA
CAUTION The power supply cables must be connected to R/L1, S/L2, T/L3. (Phase sequence needs not to be matched.)
the power cable to the U, V, W of the inverter. Doing so will damage the inverter. Connect the motor to U, V, W. At this time, turning ON the forward rotation switch (signal) rotat
counterclockwise direction when viewed from the motor shaft. When wiring the inverter main circuit conductor of the FR-F740-05470 or higher, tighten a nut from t
conductor. When wiring two wires, place wires on both sides of the conductor. (Refer to the drawing belowbolts (nuts) provided with the inverter.
IM
R/L1 S/L2 T/L3 N/-
P/+
R1/L11 S1/L21
P/+
P/+
Jumper Charge lamp
Motor Power supplyDC reactor
R/L1 S/L2 T/L3 N/-
R1/L11 S1/L21
Power supplyDC rea
Main circuit terminal specifications
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Wiring cover and Handling (FR-F720-00930 (FR-F740-00620) or lower)1) Remove the wiring cover of the inverter. Punch out a knockout by firmly tapping it with such as a ham
any sharp edges and burrs from knockout holes of the wiring cover.
2) Install conduits and fix with conduits clamps. Pass the cable always through the conduit.
CAUTIONWhen handling the wiring cover, care must be taken not to cut fingers or hands with sharp edges and burrs.To avoid wire offcuts and other foreign matter to enter the inverter, conduits must be installed to the all knockout hole
WARNINGDo not wire without using conduits. Otherwise, the cable sheathes may be scratched by the wiring cresulting in a short circuit or earth (ground) fault.
Wiring cover
Knockout
Main circui
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2.2.3 Cables and wiring length(1) Applicable cable sizeSelect the recommended cable size to ensure that a voltage drop will be 2% or less.If the wiring distance is long between the inverter and motor, a main circuit cable voltage drop wi
torque to decrease especially at the output of a low frequency.The following table indicates a selection example for the wiring length of 20m (65.62feet).200V class (when input power supply is 220V)
Applicable InverterModel
TerminalScrewSize *4
TighteningTorque
Nm
CrimpingTerminal
Cable Siz
HIV, etc. (mm 2) *1 AWG
R/L1,S/L2,T/L3
U, V, WR/L1,S/L2, T/L3
U, V, W P/+, P1Earthing
(grounding)cable
R/L1S/L2T/L3
FR-F720-00046 to00105-NA
M4 1.5 2-4 2-4 2 2 2 2 14
FR-F720-00167-NA M4 1.5 5.5-4 5.5-4 3.5 3.5 3.5 3.5 12 12FR-F720-00250-NA M4 1.5 5.5-4 5.5-4 5.5 5.5 5.5 5.5 10 10FR-F720-00340-NA M5(M4) 2.5 14-5 8-5 14 8 14 5.5 6 8FR-F720-00490-NA M5(M4) 2.5 14-5 14-5 14 14 14 8 6 6FR-F720-00630-NA M5 2.5 22-5 22-5 22 22 22 14 4 6 (FR-F720-00770-NA M6 4.4 38-6 38-6 38 38 38 14 2 2
FR-F720-00930-NA M8(M6) 7.8 38-8 38-8 38 38 38 22 2 2FR-F720-01250-NA M8(M6) 7.8 60-8 60-8 60 60 60 22 1/0 1/0FR-F720-01540-NA M8(M6) 7.8 80-8 80-8 80 80 80 22 3/0 3/0FR-F720-01870-NA M10(M8) 14.7 100-10 100-10 100 100 100 38 4/0 4/0FR-F720-02330-NA M10(M8) 14.7 100-10 100-10 100 100 100 38 4/0 4/0FR-F720-03160-NA M12(M10) 24.5 150-12 150-12 125 125 150 38 250 250FR-F720-03800-NA M12(M10) 24.5 150-12 150-12 150 150 2 100 38 2 4/FR-F720-04750-NA M12(M10) 24.5 100-12 100-12 2 100 2 100 2 100 60 2 4/*1 The recommended cable size is that of the cable (e.g. HIV cable (600V class 2 vinyl-insulated cable)) with co
temperature of 75C (167F). Assumes that the surrounding air temperature is 50C (122F) or less and the wiring distancles s.
*2 The recommended cable size is that of the cable (THHW cable) with continuous maximum permissible temperature of that the surrounding air temperature is 40C (104F) or l es s and the wiring distance is 20m (65.62feet) or less.(Selection example for use mainly in the United States.)
*3 For the FR-F720-00930 or lower, the recommended cable size is that of the cable (PVC cable) with continuoutemperature of 70C (158F). Assumes that the surrounding air temperature is 40C (104F) or less and thless.For the FR-F720-01250 or higher, the recommended cable size is that of the cable (XLPE cable) with continuoutemperature of 90C (194F). As sum es that the surrounding air temperature is 40C (104F) or less and wiring is pe(Selection example for use mainly in Europe.)
*4 The terminal screw size indicates the terminal size for R/L1, S/L2, T/L3, U, V, W, PR, PX, P/+, N/-, P1 and a screw for earThe screw size for earthing (grounding) of the FR-F720-00930 or higher is indicated in ( ).
*5 When connecting the option unit to P/+, P1, N/-, use THHN cables for the option and terminals R/L1, S/L2, T/L3, U, V, W
Main circuit terminal specifications
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400V class (when input power supply is 440V based on the rated current for 110% overload for 1 minute)
Applicable InverterModel
TerminalScrew Size
*4TighteningTorque Nm
Crimping(Compression)
Terminal
Cable Sizes
HIV, etc. (mm2) *1AWG/M
*2R/L1,S/L2,T/L3
U, V, WR/L1,S/L2,T/L3
U, V, WP/+, P1Earthing
(grounding)cable
R/L1,S/L2,T/L3
FR-F740-00023 to00083-NA
M4 1.5 2-4 2-4 2 2 2 2 14 1
FR-F740-00126-NA M4 1.5 2-4 2-4 2 2 3.5 3.5 12 14FR-F740-00170-NA M4 1.5 5.5-4 5.5-4 3.5 3.5 3.5 3.5 12 12FR-F740-00250-NA M4 1.5 5.5-4 5.5-4 5.5 5.5 5.5 5.5 10 10FR-F740-00310-NA M5 2.5 8-5 8-5 8 8 8 5.5 8 8
FR-F740-00380-NA M5 2.5 14-5 8-5 14 8 14 8 6 8FR-F740-00470-NA M6 4.4 14-6 14-6 14 14 22 14 6 6FR-F740-00620-NA M6 4.4 22-6 22-6 22 22 22 14 4 4FR-F740-00770-NA M6 4.4 22-6 22-6 22 22 22 14 4 4FR-F740-00930-NA M8 7.8 38-8 38-8 38 38 38 22 1 2FR-F740-01160-NA M8 7.8 60-8 60-8 60 60 60 22 1/0 1/0FR-F740-01800-NA M8(M10) 7.8 60-8 60-8 60 60 60 22 1/0 1/0FR-F740-02160-NA M10 14.7 100-10 100-10 80 80 80 22 3/0 3/0FR-F740-02600-NA M10 14.7 100-10 100-10 100 100 100 38 4/0 4/0FR-F740-03250-NA M10(M12) 14.7 150-10 150-10 125 125 100 38 250 250
FR-F740-03610-NA M10(M12) 14.7 150-10 150-10 150 150 150 38 300 300FR-F740-04320-NA M12(M10) 24.5 100-12 100-12 2 100 2 100 2 100 60 2 4/0FR-F740-04810-NA M12(M10) 24.5 100-12 100-12 2 100 2 100 2 100 60 2 4/0FR-F740-05470-NA M12(M10) 46 150-12 150-12 2 125 2 125 2 125 60 2 250FR-F740-06100-NA M12(M10) 46 150-12 150-12 2 150 2 150 2 125 60 2 300FR-F740-06830-NA M12(M10) 46 200-12 200-12 2 200 2 200 2 150 100 2 350FR-F740-07700-NA M12(M10) 46 C2-200 C2-200 2 200 2 200 2 200 100 2 400FR-F740-08660-NA M12(M10) 46 C2-250 C2-250 2 250 2 250 2 200 100 2 500FR-F740-09620-NA M12(M10) 46 C2-250 C2-250 2 250 2 250 2 250 2100 2500FR-F740-10940-NA M12(M10) 46 C2-200 C2-200 3 200 3 200 3 200 2100 3 350FR-F740-12120-NA M12(M10) 46 C2-200 C2-200 3 200 3 200 3 200 2100 3400*1 For the FR-F740-01160 or lower, the recommended cable size is that of the cable (e.g. HIV cable (600V class 2 vinyl-insulate
maximum permissible temperature of 75C (167F). Assumes that the surrounding air temperature is 50C (122F) or less a20m (65.62feet) or less.For the FR-F740-01800 or higher, the recommended cable size is that of the cable (e.g. LMFC (heat resistant flexible cinsulated cable)) with continuous maximum permissible temperature of 90C (194F). Assumes that the surrounding air temor less and wiring is performed in an enclosure.
*2 For the FR-F740-00930 or lower, the recommended cable size is that of the cable (THHW cable) with continuous maximumof 75C (167F). Assumes that the surrounding air temperature is 40C (104F) or less and the wiring distance is 20m (65.6For the FR-F740-01160 or higher, the recommended cable size is that of the cable (THHN cable) with continuous maximumof 90C (194F). Assumes that the surrounding air temperature is 40C (104F) or less and wiring is performed in an enclos
(Selection example for use mainly in the United States.)*3 For the FR-F740-00930 or lower, the recommended cable size is that of the cable (PVC cable) with continuous maximum p70C (158F). Assumes that the surrounding air temperature is 40C (104F) or less and the wiring distance is 20m (65.62feFor the FR-F740-01160 or higher, the recommended cable size is that of the cable (XLPE cable) with continuous maximumof 90C (194F). Assumes that the surrounding air temperature is 40C (104F) or less and wiring is performed in an enclos(Selection example for use mainly in the Europe.)
*4 The terminal screw size indicates the terminal size for R/L1, S/L2, T/L3, U, V, W, P/+, N/-, P1, and a screw for earthing (groThe screw size of the terminals P/+, N/-, and P1 in FR-F740-01800 is indicated in parentheses.
Main circui
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(2) Notes on earthing (grounding)
Always earth (ground) the motor and inverter.1)Purpose of earthing (grounding)
Generally, an electrical apparatus has an earth (ground) terminal, which must be connected to th
use. An electrical circuit is usually insulated by an insulating material and encased. However, manufacture an insulating material that can shut off a leakage current completely, and actually, a sinto the case. The purpose of earthing (grounding) the case of an electrical apparatus is to prevegetting an electric shock from this leakage current when touching it.To avoid the influence of external noises, this earthing (grounding) is important to audio eqcomputers and other apparatuses that handle low-level signals or operate very fast.
2)Earthing (Grounding) methods and earthing (grounding) work As described previously, earthing (grounding) is roughly classified into an electrical shock prevnoise-affected malfunction prevention type. Therefore, these two types should be discriminatefollowing work must be done to prevent the leakage current having the inverter's high frequencyentering the malfunction prevention type earthing (grounding):(a) If possible, use (l) independent earthing (grounding) in figure below for the inv
earthing(grounding) is not available, use (ll) common earthing (grounding) in the figuinverter is connected with the other equipment at an earthing (grounding) point.The (lll) common earthing (grounding) as in the figure below, which inverter shares (grounding) cable with the other equipment, must be avoided.
A leakage current including many high frequency components flows in the earthing (grouninverter and inverter-driven motor. Therefore, use the independent earthing (groundingearthing (grounding) cable of the inverter from equipment sensitive to EMI.In a high building, it may be effective to use the EMI prevention type earthing (groundiniron structure frame, and electric shock prevention type earthing (grounding) with the in(grounding) together.
(b) This inverter must be earthed (grounded). Earthing (Grounding) must conform to the requiand local safety regulations and electrical code (NEC section 250, IEC 536 class 1 anstandards).
A neutral-point earthed (grounded) power supply for 400V class inverter in compliance witbe used.
(c) Use the thickest possible earthing (grounding) cable. The earthing (grounding) cable size than the size indicated in the table on the previous page.
(d) The earthing (grounding) point should be as close as possible to the inverter, and the earwire length should be as short as possible.
(e) Run the earthing (grounding) cable as far away as possible from the I/O wiring of equnoises and run them in parallel in the minimum distance.
To be compliant with the EU Directive (Low Voltage Directive) refer to the
Inverter Other
equipment
(I) Independent earthing (grounding).......Best
Inverter Otherequipment
(II) Common earthing (grounding).......Good (III) Com
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Main circui
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2.2.4 When connecting the control circuit and the main circuit separately to th power supply
FR-F720-00046 to 00250, FR-F740-00023 to 00126
FR-F720-00340, 00490, FR-F740-00170, 00250
When fault occurs, opening of the electromagnetic coninverter power supply side results in power lossdisabling the fault output signal retention. Terminals provided for when retention of a fault signal is requirethe power supply terminals R1/L11 and S1/L21 of tprimary side of the MC.Do not connect the power cable to incorrect terdamage the inverter.
1)Loosen the upper screws.2)Remove the lower screws.3)Remove the jumper 4)Connect the separate power
supply cable for the controlcircuit to the lower terminals(R1/L11, S1/L21).
1)Remove the upper screws.2)Remove the lower screws.3)Remove the jumper.
4)Connect the separate powersupply cable for the controlcircuit to the upper terminals(R1/L11, S1/L21).
Inverter MC R/L1
S/L2
T/L3
R1/L11
S1/L21
Remove the jumper
Main circuit terminal block
R1/L11 S1/L21
3)
1)
2)
4)
S/L2T/L3
R/L1
3)
1)
2)
R1/L11S1/L21
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Con
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2.3 Control circuit specifications
2.3.1 Control circuit terminals
indicates that terminal functions can be selected using Pr. 178 to Pr. 196 (I/O terminal function s
(1) Input signals
T y p e Terminal
SymbolTerminal
NameDescription
C o n
t a c t
i n p u
t
STF Forwardrotation startTurn ON the STF signal to start forwardrotation and turn it OFF to stop.
When the STF andSTR signals are turnedON simultaneously, the
stop command is givenSTR Reverse
rotation start
Turn ON the STR signal to start reverse
rotation and turn it OFF to stop.
STOPStart self-holdingselection
Turn ON the STOP signal to self-hold the start signal.
RH,RM, RL
Multi-speedselection
Multi-speed can be selected according to the combination of RH,RM and RL signals.
JOG Jog modeselectionTurn ON the JOG signal to select Jog operation (initial setting)and turn ON the start signal (STF or STR) to start Jog operation.
RT
Second
functionselection
Turn ON the RT signal to select second function.When the second function such as "second torque boost" and"second V/F (base frequency)" are set, turning ON the RT signalselects these functions.
MRS Output stop
Turn ON the MRS signal (20ms or more) to stop the inverteroutput.Use to shut off the inverter output when stopping the motor byelectromagnetic brake.
RES Reset
Used to reset fault output provided when fault occurs.Turn ON the RES signal for more than 0.1s, then turn it OFF.Initial setting is for reset always. By setting Pr.75 , reset can be setto enabled only at fault occurrence. Inverter recovers about 1safter the reset is released.
AU
Terminal 4input selection
Terminal 4 is valid only when the AU signal is turned ON. (Thefrequency setting signal can be set between 0 and 20mADC.)Turning the AU signal ON makes terminal 2 (voltage input)invalid.
PTC input AU terminal is used as PTC input terminal (thermal protection ofthe motor). When using it as PTC input terminal, set the AU/PTCswitch to PTC.
CS
Selection ofautomaticrestart afterinstantaneouspower failure
When the CS signal is left ON, the inverter restarts automatically at
power restoration. Note that restart setting is necessary for thisoperation. In the initial setting, a restart is d isabled.(Refer to page 154 for Pr. 57 Restart coasting time)
Contact inputcommon (sink)(initial setting)
Common terminal for contact input terminal (sink logic)
l h l h l l f
Control circuit specifications
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*1 Set Pr. 73 , Pr. 267 , and a voltage/current input switch correctly, then input an analog signal in accordance with the setting. Applying a voltage signal with voltage/current input switch ON (current input is selected) or a current signal with switch O
selected) could cause component damage of the inverter or analog circuit of signal output devices. (For details,
F r e q u e n c y s e
t t i n g
10EFrequencysetting powersupply
When connecting the frequency setting potentiometer at an initial
status, connect it to terminal 10.Change the input specifications of terminal 2 when connecting itto terminal 10E. (Refer to page 177 for Pr. 73 Analog input selection.)10
2Frequencysetting(voltage)
Inputting 0 to 5VDC (or 0 to 10V, 0 to 20mA) provides themaximum output frequency at 5V (10V, 20mA) and makes inputand output proportional. Use Pr. 73 to switch from among input 0to 5VDC (initial setting), 0 to 10VDC, and 0 to 20mA.Set the voltage/current input switch in the ON position to selectcurrent input (0 to 20mA). *1
VI1MpvCI2Mpc
4Frequencysetting(current)
Inputting 4 to 20mADC (or 0 to 5V, 0 to 10V) provides themaximum output frequency at 20mA (5V, 10V) makes input andoutput proportional. This input signal is valid only when the AUsignal is ON (terminal 2 input is invalid). Use Pr. 267 to switchfrom among input 4 to 20mA (initial setting), 0 to 5VDC, and 0 to10VDC. Set the voltage/current input switch in the OFF positionto select voltage input (0 to 5V/0 to 10V). *1
1Frequencysettingauxiliary
Inputting 0 to 5 VDC or 0 to 10VDC adds this signal to terminal2 or 4 frequency setting signal. Use Pr.73 to switch between theinput 0 to 5VDC and 0 to 10VDC (initial setting).
I1Mp
5Frequencysetting
common
Common terminal for frequency setting signal (terminal 2, 1 or 4)and analog output terminal AM and CA. Do not earth (ground).
P T C t h e r m
i s t o r
102
PTCthermistorinput
For connecting PTC thermistor output.When PTC thermistor protection is valid ( Pr. 561 "9999"), terminal 2is not available for frequency setting.
AtsHr5(
T y p e Terminal
SymbolTerminal
Name Description
Con
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(2) Output signals
(3) Communication
T y p e Terminal
SymbolTerminal
NameDescription
R e l a y
A1,B1,C1
Relay output 1(Fault output)
1 changeover contact output indicates that the invertersprotective function has activated and the output stopped.Fault: No conduction across B and C (Across A and C Continuity),Normal: Across B and C Continuity (No conduction across A and C)
A2,B2,C2
Relay output 2 1 changeover contact output
O p e n c o
l l e c t o r
RUNInverterrunning
Switched low when the inverter output frequency is equal to orhigher than the starting frequency (initial value 0.5Hz). Switchedhigh during stop or DC injection brake operation.
SUUp tofrequency
Switched low when the outputfrequency reaches within the range of10% (initial value) of the set frequency.Switched high during acceleration/deceleration and at a stop.
Alarm code (4bit)output
OLOverloadwarning
Switched low when stall prevention isactivated by the stall preventionfunction. Switched high when stallprevention is cancelled.
IPF Instantaneouspower failure
Switched low when an instantaneouspower failure and under voltageprotections are activated.
FUFrequencydetection
Switched low when the inverter outputfrequency is equal to or higher than thepreset detected frequency and highwhen less than the preset detectedfrequency.
SEOpen collectoroutput common
Common terminal for terminals RUN, SU, OL, IPF, FU
A n a
l o g
CA Analog currentoutput
Select one e.g. output frequency frommonitor items. (Not output duringinverter reset.)The output signal is proportional to themagnitude of the correspondingmonitoring item.To set a full-scale value for monitoringthe output frequency and the outputcurrent, set Pr. 55 and Pr. 56 .( Refer to page 149 )
Output item:Output frequency(initial setting)
AM Analog voltageoutput
T y p e Terminal
SymbolTerminal
Name Description
Control circuit specifications
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2.3.2 Changing the control logic
The input signals are set to sink logic (SINK) when shipped from the factory.To change the control logic, the jumper connector on the back of the control circuit terminal block must beother position.(The output signals may be used in either the sink or source logic independently of the jumper connector p1) Loosen the two installation screws in both ends of the control circuit terminal block. (These scre
removed.)Pull down the terminal block from behind the control circuit terminals.
2) Change the jumper connector set to the sink logic (SINK) on the rear panel of the control circuit tersource logic (SOURCE).
3) Using care not to bend the pins of the inverter's control circuit connector, reinstall the control circuit and fix it with the mounting screws.
Jumper connector
Con
4)Si k l i d l i
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4)Sink logic and source logicIn sink logic, a signal switches ON when a current flows from the corresponding signal input termTerminal SD is common to the contact input signals. Terminal SE is common to the open collectIn source logic, a signal switches ON when a current flows into the corresponding signal input teTerminal PC is common to the contact input signals. Terminal SE is common to the open collecto
When using an external power supply for transistor output
Sink logic typeUse terminal PC as a common terminal, and performwiring as shown below. (Do not connect terminal SD of the inverter with terminal 0V of the external power supply. When using terminals PC and SD as a 24VDCpower supply, do not install a power supply in parallel inthe outside of the inverter. Doing so may cause amalfunction due to undesirable current.)
Source logic typeUse terminal SD as a commwiring as shown below. (Do the inverter with terminal +supply. When using terminalpower supply, do not install aparallel with the inverter. malfunction in the inverter du
Current
PC
STF R
STRR
Source logic
Current
SD
STFR
STRR
Sinkconnector
Sink logic
Current flow concerning the input/output signalwhen sink logic is selected
Current flow concerning the input/ouwhen source logic is selected
24V
RUN
SE
Inverter
Curr
++-
DC input (sink type)
Inverter
24VDC
RUN
SE
TB1
TB17
R
R
Current flow
TB1
TB2 STR
STF 24VDC(SD)
QY40P type transistoroutput unit
Inverter
TB
QY80 type transistoroutput unit
Control circuit specifications
2 3 3 Control circuit terminal layout
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2.3.3 Control circuit terminal layout
(1) Common terminals of the control circuit (SD, 5, SE)Terminals SD, 5, and SE are all common terminals (0V) for I/O signals and are isolated from each earth(ground) these terminals.
Avoid connecting the terminal SD and 5 and the terminal SE and 5.Terminal SD is a common terminal for the contact input terminals (STF, STR, STOP, RH, RM, RL, JOG, RT
AU, CS).The open collector circuit is isolated from the internal control circuit by photocoupler.Terminal 5 is a common terminal for frequency setting signal (terminal 2, 1 or 4), analog current outputand analog output terminal AM.
It should be protected from external noise using a shielded or twisted cable.Terminal SE is a common terminal for the open collector output terminal (RUN, SU, OL, IPF, FU).The contact input circuit is isolated from the internal control circuit by photocoupler.
(2) Signal inputs by contactless switches
The contacted input terminals of the inverter (STF, STR, STOP,RH, RM, RL, JOG, RT, MRS, RES, AU, CS) can be controlledusing a transistor instead of a contacted switch as shown on the
right.
External signal input us
A1 B1 C1 A2
STOPAURTRHRMRL
OLIPFSURUN
B2 C2 10E 10
SDRESMRS
STFSDSDFU PCCSJOGSTR
2 5 4
1AMCA
SE
CTeT
Con
2 3 4 Wiring instructions
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2.3.4 Wiring instructions
1) It is recommended to use the cables of 0.75mm 2 gauge for connection to the control circIf the cable gauge used is 1.25mm 2 or more, the front cover may be lifted when there are
the cables are run improperly, resulting in an operation panel contact fault.2) The maximum wiring length should be 30m (98.43feet).3) Use two or more parallel micro-signal contacts or twin contacts to
prevent a contact faults when using contact inputs since thecontrol circuit input signals are micro-currents.
4) Use shielded or twisted cables for connection to the control circuit terminals and run them away fpower circuits (including the 200V relay sequence circuit).
5) Do not apply a voltage to the contact input terminals (e.g. STF) of the control circuit.6) Always apply a voltage to the fault output terminals (A, B, C) via a relay coil, lamp, etc. Wiring of the control circuit of the FR-F720-03160 (FR-F740-01800) or higher
For wiring of the control circuit of the FR-F720-03160 (FR-F740-01800) or higher, separate awaythe main circuit.Make cuts in rubber bush of the inverter side and lead wires.
Micro signa
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2.3.5 Mounting the operation panel (FR DU07) on the enclosure surface
Having an operation panel on the enclosure surface is convenient. With a connection coperation panel (FR-DU07) or the parameter unit (FR-PU07) to the enclosure surface, and connect it to thUse the option FR-CB2 , or the connector and cable available on the market.(For mounting the operation panel (FR-DU07), the optional connector (FR-ADP) is required.)Securely insert one end of connection cable until the stoppers are fixed.
Refer to page 216 for RS-485 communication.
REMARKS Refer to the following when fabricating the cable on the user side. Keep the total cable length within 20m (65.6 feet).
Commercially available product examples (as of February 2012)
S TF FWD P U
Parameter unit connection cable(FR-CB2 )(option)
Operation panel(FR-DU07)
Parameter unit (FR-PU07)(option)
Operation panel connection connector (FR-ADP)(option)
* Do not use pins No. 2, 8 of the communication cable.
Product Type Maker
Communication cableSGLPEV-T (Cat5e/300m)
24AWG 4P*Mitsubishi Cable Industries, Ltd.
RJ-45 connector 5-554720-3 Tyco Electronics Corporation
Con
2.3.6 RS-485 terminal block
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2.3.6 RS 485 terminal block
2.3.7 Communication operation
Using the PU connector or RS-485 terminal, you can perform communication operation from a persoWhen the PU connector is connected with a personal, FA or other computer by a communication cablecan run and monitor the inverter or read and write to parameters.For the Mitsubishi inverter protocol (computer link operation), communication can be performed withand RS-485 terminal.For the Modbus-RTU protocol and BACnet MS/TP protocol, communication can be performedterminal.For further details, refer to page 211 .
Conforming standard: EIA-485(RS-485)Transmission format: Multidrop linkCommunication speed: MAX 38400bps
(76800bps for BACnet MS/TP protocol)Overall length: 500mConnection cable:Twisted pair cable
(4 pairs)
RRDA1(RXD1+)RDB1
(RXD1-)RDA2
(RXD2+)RDB2
(RXD2-)
SDA1(TXD1+)
SDB1(TXD1-)
SDA2(TXD2+)
SDB2(TXD2-)
P5S(VCC)
SG(GND)
P5S(VCC)
SG(GND) V
TXD
OPEN
100
Terminating resistor sFactory-set to "OPENSet only the terminatithe remotest inverter t
Connection of stand-alone option units
2.4 Connection of stand-alone option units
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2.4 Connection of stand alone option units
The inverter accepts a variety of stand-alone option units as required.Incorrect connection will cause inverter damage or accident. Connect and operate the option uniaccordance with the corresponding option unit manual.
2.4.1 Connection of the brake unit (FR-BU2)Connect the brake unit (FR-BU2) as shown below to improve the braking capability at deceleration.(1) Connection example with the GRZG type discharging resistor
*1 Connect the inverter terminals (P/+, N/-) and brake unit (FR-BU2) terminals so that their terminal names m(Incorrect connection will damage the inverter and brake unit.)
*2 When the power supply is 400V class, install a step-down transformer.*3 Keep a wiring distance of within 5m (16.4feet) between the inverter, brake unit (FR-BU2) and dischargin
the wiring is twisted, the cable length must not exceed 10m (32.8feet).*4 It is recommended to install an external thermal relay to prevent overheat of discharging resistors.*5 Refer to FR-BU2 manual for connection method of discharging resistor.
Brake Unit Discharging Resistor Recommended External Thermal Relay
FR-BU2-1.5K GZG 300W-50 (one) TH-N20CXHZ 1.3AFR-BU2-3.7K GRZG 200-10 (three in series) TH-N20CXHZ 3.6AFR-BU2-7.5K GRZG 300-5 (four in series) TH-N20CXHZ 6.6AFR-BU2-15K GRZG 400-2 (six in series) TH-N20CXHZ 11AFR-BU2-H7.5K GRZG 200-10 (six in series) TH-N20CXHZ 3.6AFR-BU2-H15K GRZG 300-5 (eight in series) TH-N20CXHZ 6.6AFR-BU2-H30K GRZG 400-2 (twelve in series) TH-N20CXHZ 11A
CAUTION
UVW
P/+N/-
R/L1S/L2T/L3
Motor
IM
Inverter PR
N/-BUESD
P/+
A
BC
FR-BU2
GRZG typedischarging resist
External thermalrelay
RR
Three-phase ACpower supply
MCCB MC
ON
MCT
*1*1
*3
*3
*2
MC
*4
OCR
5m (16.4feet) or less
To th
unit
Connection of st
(2) FR-BR-(H) connection example with resistor unit
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(3) Connection example with MT-BR5 type resistor unit
*1 Connect the inverter terminals (P/+, N/-) and brake unit (FR-BU2) terminals so that their terminal nam(Incorrect connection will damage the inverter and brake unit.)
*2 When the power supply is 400V class, install a step-down transformer.*3 The wiring distance between the inverter, brake unit (FR-BU) and resistor unit (FR-BR) should be
when the wiring is twisted, the cable length must not exceed 10m (32.8feet).
*4 The contact between TH1 and TH2 is closed in the normal status and is open at a fault.
CAUTIONDo not remove a jumper across terminal P/+ and P1 except when connecting a DC reactor.
*1 Connect the inverter terminals (P/+, N/-) and brake unit (FR-BU2) terminals so that their terminal nam(Incorrect connection will damage the inverter and brake unit.)
*2 When the power supply is 400V class, install a step-down transformer.*3 The wiring distance between the inverter, brake unit (FR-BU2) and resistor unit (MT-BR5) should
UVW
P/+N/-
R/L1S/L2T/L3
Motor
IM
Inverter PR
N/-BUESD
P/+
P
FR-BU
FR-B
T
TPR
Three phase ACpower supply
MCCB MCMC
O
MT
*1 *1
5m or less*3
*3
*2
MCR/L1 Motor
IM
Inverter
S/L2T/L3
UV
P/+N/- P
PR
5mor less
W
Three phase ACpower supply
MCCB OFFON
MC
CR1
T
*3
*1 *1*3
*5
PNBUESD
PPR
Brake unitFR-BU2
ResiM
*2
Connection of stand-alone option units
2.4.2 Connection of the brake unit (FR-BU/MT-BU5)
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When connecting the brake unit (FR-BU(H)/MT-BU5) to improve the brake capability at deceleration, maas shown below.(1) Connection with the FR-BU (FR-F720-02330 (FR-F740-01160) or lower)
(2) Connection with the MT-BU5 (FR-F720-03160 (FR-F740-01800) or higher) After making sure that the wiring is correct, set "1" in Pr.30 Regenerative function selection . ( R
*1 Connect the inverter terminals (P/+, N/-) and brake unit (FR-BU (H)) terminals so that their terminal signalwith each other. (Incorrect connection will damage the inverter.)
*2 When the power supply is 400V class, install a step-down transformer.*3 The wiring distance between the inverter, brake unit (FR-BU) and resistor unit (FR-BR) should be within
feet). If twisted wires are used, the distance should be within 10m(32.8feet).
CAUTIONIf the transistors in the brake unit should become faulty, the resistor can be unusually hot, causing a fire. Therefomagnetic contactor on the inverters input side to configure a circuit so that a current i s shut off in case of fault.Do not remove a jumper across terminal P/+ and P1 except when connecting a DC reactor.
U
V
W
P /+
N/
R/L1
S/L2
T/L3
Motor
IM
Inverter PR
N/
P/+
P
FR
FR
PR
*1 *
Three-phase AC
power supply
MCCB M C
T *2
MC
*35m (16.4feet)
or less
MC
R/L1 Motor
IM
Inverter
S/L2
T/L3
U
V
P/+N/
PPR
P
P
W
Three-phase AC power
supply
MCCB OFFON
MC
T *1
5m(16.4feet)or less
*2
Connection of st
M k t i bb b h f th ti f th i t d l d bl
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Make cuts in rubber bush of the upper portion of the inverter and lead a cable.1) Make cuts in the rubber bush for leading the CN8 connector cable with a nipper or cutter knife.
2) Insert a connector on the MT-BU5 side through a rubber bush to connect to a connector on the inv
CAUTIONClamp the CN8 connector cable on the inverter side with a wire clamp securely.
Parameters referred to Pr. 30 Regenerative function selection Refer to page 115 Pr. 70 Special regenerative brake duty Refer to page 115
Rubber bushes
Make cuts inrubber bush
CN8 connector Wire clamp
Connection of stand-alone option units
2.4.3 Connection of the brake unit (BU type)
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Connect the brake unit (BU type) correctly as shown below. Incorrect connection will damage the inverter. Removacross terminals HB and PC and terminals TB and HC of the brake unit and fit it to across terminals PC and TB.
2.4.4 Connection of the high power factor converter (FR-HC/MT-HC)When connecting the high power factor converter (FR-HC) to suppress power harmonics, perform wiring securelIncorrect connection will damage the high power factor converter and inverter.
After making sure that the wiring is correct, set "2" in Pr. 30 Regenerative function selection . ( Refer t(1) Connection with the FR-HC (FR-F720-02330 (FR-F740-01160) or lower)
*1 When the power supply is 400V class, install a step-down transformer.
CAUTIONThe wiring distance between the inverter, brake unit and discharging resistor should be within 2m(6.56feet). If twisused, the distance should be within 5m(16.4feet).If the transistors in the brake unit should become faulty, the resistor can be unusually hot, causing a fire. Therefomagnetic contactor on the inverter's power supply side to shut off a current in case of fault.Do not remove a jumper across terminal P/+ and P1 except when connecting a DC reactor.
U
V
WIM Brake un
(BU type
Dischargingresistor
R/L1
S/L2
T/L3
N/-
P/+
MC
P
PR